Event Countdown Timer - Online Days Until Birthday Wedding Vacation
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
UD5 Toolkit
Online Days Until Santa Claus Arrives
Santa is Here! Merry Christmas!
Wishing you a joyful and magical holiday season! 🎁
You're 0% of the way through the Christmas countdown cycle
Set any future date and see a live countdown in days, hours, minutes, seconds. Fun animated display. Save multiple countdowns locally.
Enter two dates and see the exact number of days, weeks, and workdays between them. Also shows the countdown or days since.
Set your birth date and see a live countdown with days, hours, minutes, and seconds. Shareable link. Pure frontend.
Set a list of agenda items with allocated minutes. Advance through speakers and see remaining time visually. Keep meetings on track.
Assign Secret Santa pairings from a list of names with spouse/partner exclusions. Optionally email results via mailto link. Fully local, no server.
Create a random, aspirational quarterly objective with unrealistic key results. For meeting icebreakers.
Record feeding times, side (left/right for nursing) or oz for bottle. Track daily patterns. Data stays in your browser. Simple newborn helper.
Paste your speech, set time limit, and practice with a pacing indicator (words per minute). Refine delivery.
Set watering schedules for multiple plants with visual alerts. Shows which plants need water today based on last watered date. Data stored locally.
Record your screen, window, or tab with audio directly in the browser. Download the recording as a WebM file. No upload.
Record your screen, window, or tab with audio directly in the browser. Download as WebM. No extension required.
Virtual flip coins thousands of times and see the heads/tails ratio converge to 50%. Interactive law of large numbers.
Click for a warm, encouraging sentence to lift your spirits or support a friend. Small positive boost. No repeats.
Track attendance for multiple subjects. Mark present/absent and see percentage. Data in localStorage. Simple student tool.
Paste a user agent string to get a human-readable breakdown of browser, operating system, and device. See your own current agent info automatically.
Paste HTML and see a before/after comparison of minified output. Check the byte savings. All local.
Fill in title, date, time, and location to generate a downloadable .ics meeting invitation. Works with all major calendars.
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
Paste a robots.txt file and validate its syntax. See if a specific user‑agent can access a path. Essential for webmasters.
Simple tracker to record potty attempts, successes, accidents. See patterns. Data stays local. Aids in toilet training journey.
A precise online metronome with adjustable BPM, beat emphasis, and time signature. Works offline. Essential for musicians.
Turn your browser screen into a full‑color flashlight or strobe. Adjust brightness and color. Simple utility.
Paste robots.txt content and parse it to check validity, find disallowed paths. Educational SEO tool. Local processing.
Test your browser's built‑in speech recognition. Speak and see the transcribed text appear live. Must‑have for voice app devs.
Build a properly formatted robots.txt file with user-agent rules and sitemap location. Validate syntax in real time. Essential for webmasters.
Tune your guitar using the browser microphone. Detects pitch and shows deviation from standard tuning. No installation, pure client-side audio processing.
Generate a Lit Element web component skeleton with styles and properties. Copy and start coding immediately.
Fill in your details and generate a professional-looking invoice ready to print or save as PDF. No sign-up, all data stays on your device. Great for freelancers.
See a comprehensive table of which modern web APIs your current browser supports. Includes WebGPU, AVIF, and more.
Convert REM values to pixels and vice versa based on your root font size. Essential for scalable web typography.